APA引文

Littell, M. (1994). Gateways to mathematical investigations (Teacher's ed.). McDougal,Littell & Co..

Chicago Style (17th ed.) Citation

Littell, McDougal. Gateways to Mathematical Investigations. Teacher's ed. Dallas: McDougal,Littell & Co., 1994.

MLA引文

Littell, McDougal. Gateways to Mathematical Investigations. Teacher's ed. McDougal,Littell & Co., 1994.

警告：這些引文格式不一定是100％准確.